# Foundations

### Learn

### Practice

Negative numbers on the number lineGet 5 of 7 questions to level up!

Adding negative numbersGet 5 of 7 questions to level up!

Subtracting negative numbersGet 5 of 7 questions to level up!

Multiplying negative numbersGet 3 of 4 questions to level up!

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### Practice

Finding absolute valuesGet 5 of 7 questions to level up!

Interpreting absolute valueGet 3 of 4 questions to level up!

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### Practice

Exponents (basic)Get 5 of 7 questions to level up!

ExponentsGet 5 of 7 questions to level up!

Variable expressions with exponentsGet 3 of 4 questions to level up!

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### Practice

Square rootsGet 5 of 7 questions to level up!

Simplify square rootsGet 3 of 4 questions to level up!

Simplify square-roots (variables)Get 3 of 4 questions to level up!

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### Practice

Order of operationsGet 5 of 7 questions to level up!

Order of operations with negative numbersGet 5 of 7 questions to level up!

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### Practice

Adding & subtracting negative fractionsGet 5 of 7 questions to level up!

Multiplying positive and negative fractionsGet 3 of 4 questions to level up!

Dividing positive and negative fractionsGet 3 of 4 questions to level up!

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### Practice

Intro to percentsGet 5 of 7 questions to level up!

Percents from fraction modelsGet 3 of 4 questions to level up!

Relate fractions, decimals, and percentsGet 3 of 4 questions to level up!

Converting fractions to decimalsGet 3 of 4 questions to level up!

Rewrite decimals as fractionsGet 5 of 7 questions to level up!

Finding percentsGet 5 of 7 questions to level up!

Percent word problemsGet 5 of 7 questions to level up!

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### Practice

Adding decimals: thousandthsGet 5 of 7 questions to level up!

Subtracting decimals: thousandthsGet 5 of 7 questions to level up!

Multiplying decimals like 2.45x3.6 (standard algorithm)Get 5 of 7 questions to level up!

Dividing decimals: hundredthsGet 3 of 4 questions to level up!

### Practice

Area of trianglesGet 5 of 7 questions to level up!

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### Practice

Radius and diameterGet 5 of 7 questions to level up!

Area of a circleGet 5 of 7 questions to level up!